The ornamental design for a ledcandle, as shown and described.
FIG. 1 is a front side view of a LED candle according to my new design;
FIG. 2 is a back view of the LED candle shown in FIG. 1;
FIG. 3 is a front side view of a LED candle according to my new design showing some of the LEDs lit, thereby producing an image of a flame of a candle;
FIG. 4 is a back side view of the LED candle shown in FIG. 4; and,
FIG. 5 is a side view of the LED candle shown in FIG. 1.